campbell



G. CAMPBELL.

SHUTTERS. v N.o.178,232. Patented June 6,1876.

".FEYERS, FHOTO-LITHOGRAPHER, WASHINGTON D C i one end, which is hinged on inside of and this-purpose.

UNITED STATES PATENT ()FIEICIET:o

GEORGE CAMPBELL, OF TCRONTO, CANADA, ASSIGNOR OE ONE-THIRD HIS RIGHT TO, THOMAS MGKAY, OF SAME PLACE.

IMPROVEMENT IN Sl-IUTTERS.

Specification forming part of Letters Patent No. 178,232,

. August 12, 1875.

To all whom it may concern: Be it known that I, GEORGE CAMPBELL, of the city of Toronto, in the county of York, in the Province of Ontario, Canada, blacksmith, have invented new and useful Improvements on Windowor Door Shutters; and I do here bydeclare that the following is a full, clear,

and exact description of the same.

This invention relates to a window or door shutter, which shall be fire and weatherproof.

It is constructed of metal, a cross-section of v the frame being of thetform of arect angular 7 tube, riveted at the corners, and filled with wood at the ends, whereou the, hinges are screw-ed. The upper half of the shutter is a made ofa corrugated sheet, representing fixed slats,

made to the proper form bysuitable machinery" therefor. The lower half of the shut .teris made of separate movable slats, each of then] formed of one piece of sheet metal, a lug or crank being formed on each of them at the a connecting-rod, having a rack attached thereto, and operated by a pinion, by means of a handle and spring without raising the window for In the accompanyingdrawillg the same letters of reference indicate the same parts.

dated J une 6, 1876; application filed The figure is a vertical section, showing portions of window-frame A, shutter-frame B, corrugated portion thereof 0, portion with movable slats D, and connecting-rod E, attached to each of the slats D" by means of the cranks or lugs 6; showing also a crankhandle, I, with gear-wheels L L, and springs K K, and a handle, H, for operating the slats D, by means of a rack and pinion connected with the rod E.

Having thus described my invention, 1 claim as new and desire to secure by Letters Patp ent-- A movable metal shutter, with sash B, constructed as shown and described, the frame and having a portion thereof being tubular,

of its interior space fitted with corrugated sheets, representing fixed slats C, and the remaining portion of the said interior space fitted with movable flanged slats D, as also shown and described, and operated as set forth. i

" 1 GEORGE CAMPBELL.

Witnesses: I

WILLt-AM GILL, I H. F. PRANBLES. 

